Keywords: Bucephala clangula Oulu 20110508.JPG A male common goldeneye Bucephala clangula performing courtship ritual dance near Sonnisaari island in Oulu Telkkä uros Bucephala clangula esittää soidintanssiaan Sonnisaaren lähellä Oulussa own 2011-05-08 Estormiz I the author of this work will publish this photograph into Public Domain for anybody to use it in any way 65 0 38 919067 N 25 27 9 890442 E source exif_heading _region FI-14 2011 in Oulu Birds of Oulu Bucephala clangula clangula Bird courtship May 2011 in Finland Taken with Canon EOS 450D |